40ac16240a
* gdb.*/*.exp: Call gdb_expect instead of expect. * lib/gdb.exp(gdb_expect): New function.
291 lines
9.4 KiB
Text
291 lines
9.4 KiB
Text
# Copyright (C) 1992, 1994 Free Software Foundation, Inc.
|
|
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
# Please email any bugs, comments, and/or additions to this file to:
|
|
# bug-gdb@prep.ai.mit.edu
|
|
|
|
# This file was written by Fred Fish. (fnf@cygnus.com)
|
|
|
|
if $tracelevel then {
|
|
strace $tracelevel
|
|
}
|
|
|
|
set prms_id 0
|
|
set bug_id 0
|
|
|
|
set testfile "bitfields"
|
|
set srcfile ${testfile}.c
|
|
set binfile ${objdir}/${subdir}/${testfile}
|
|
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
|
|
perror "Couldn't compile ${srcfile}"
|
|
return -1
|
|
}
|
|
|
|
#
|
|
# Test bitfield locating and uniqueness.
|
|
# For each member, set that member to 1 and verify that the member (and only
|
|
# that member) is 1, then reset it back to 0.
|
|
#
|
|
|
|
proc bitfield_uniqueness {} {
|
|
global decimal
|
|
global hex
|
|
global gdb_prompt
|
|
global srcfile
|
|
|
|
if [gdb_test "break break1" "Break.* at $hex: file .*$srcfile, line $decimal\\."] {
|
|
return
|
|
}
|
|
|
|
gdb_run_cmd
|
|
gdb_expect {
|
|
-re "Break.*break1 \\(\\) at .*$srcfile:$decimal.*$gdb_prompt $" {
|
|
pass "running to break1"
|
|
}
|
|
timeout { fail "(timeout) running to break1"; return }
|
|
}
|
|
|
|
if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] {
|
|
return
|
|
}
|
|
# Note that we check for s1 as either 1 or -1, so that failure to
|
|
# treat it correctly as a signed 1bit field (values 0 or -1) while
|
|
# printing its value does not cause a spurious failure. We do the
|
|
# signedness preservation test later.
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] {
|
|
return
|
|
}
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] {
|
|
return
|
|
}
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] {
|
|
return
|
|
}
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] {
|
|
return
|
|
}
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] {
|
|
return
|
|
}
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] {
|
|
return
|
|
}
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] {
|
|
return
|
|
}
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] {
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] {
|
|
return
|
|
}
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)"] {
|
|
return
|
|
}
|
|
}
|
|
|
|
|
|
#
|
|
# Test bitfield containment.
|
|
# Fill alternating fields with all 1's and verify that none of the bits
|
|
# "bleed over" to the other fields.
|
|
#
|
|
|
|
proc bitfield_containment {} {
|
|
global decimal
|
|
global hex
|
|
global gdb_prompt
|
|
global srcfile
|
|
|
|
delete_breakpoints
|
|
|
|
if [gdb_test "break break2" "Break.* at $hex: file .*$srcfile, line $decimal\\." "setting breakpoint at break2"] {
|
|
return
|
|
}
|
|
|
|
gdb_run_cmd
|
|
gdb_expect {
|
|
-re "Break.*break2 \\(\\) at .*$srcfile:$decimal.*$gdb_prompt $" {
|
|
pass "running to break2"
|
|
}
|
|
timeout { fail "(timeout) running to break2"; return }
|
|
}
|
|
|
|
if [gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1"] {
|
|
return
|
|
}
|
|
|
|
if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] {
|
|
return
|
|
}
|
|
|
|
# If program is compiled with Sun CC, then these print out as their
|
|
# actual sizes; if compiled with gcc, they print out as 0xffffffff
|
|
# (which strikes me as bogus, but accept it at least for now).
|
|
if [gdb_test "print/x flags" "= {uc = 0x0, s1 = 0x(1|f*), u1 = 0x0, s2 = 0x(3|f*), u2 = 0x0, s3 = 0x(7|f*), u3 = 0x0, s9 = 0x(1ff|f*), u9 = 0x0, sc = 0xff}" "bitfield containment #2"] {
|
|
return
|
|
}
|
|
}
|
|
|
|
# Test unsigned bitfields for unsignedness and range.
|
|
# Fill the unsigned fields with the maximum positive value and verify that
|
|
# the values are printed correctly.
|
|
|
|
proc bitfield_unsignedness {} {
|
|
global decimal
|
|
global hex
|
|
global gdb_prompt
|
|
global srcfile
|
|
|
|
delete_breakpoints
|
|
|
|
if [gdb_test "break break3" "Break.* at $hex: file .*$srcfile, line $decimal\\." "setting breakpoint at break3"] {
|
|
return
|
|
}
|
|
|
|
gdb_run_cmd
|
|
gdb_expect {
|
|
-re "Break.*break3 \\(\\) at .*$srcfile:$decimal.*$gdb_prompt $" {
|
|
pass "running to break3"
|
|
}
|
|
timeout { fail "(timeout) running to break3"; return }
|
|
}
|
|
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 3, s3 = 0, u3 = 7, s9 = 0, u9 = 511, sc = 0.*" "unsigned bitfield ranges"] {
|
|
return
|
|
}
|
|
}
|
|
|
|
#
|
|
# Test signed bitfields for signedness and range.
|
|
# Fill the signed fields with the maximum positive value, then the maximally
|
|
# negative value, then -1, and verify in each case that the values are
|
|
# printed correctly.
|
|
#
|
|
|
|
proc bitfield_signedness {} {
|
|
global decimal
|
|
global hex
|
|
global gdb_prompt
|
|
global srcfile
|
|
|
|
delete_breakpoints
|
|
|
|
if [gdb_test "break break4" "Break.* at $hex: file .*$srcfile, line $decimal\\." "setting breakpoint at break4"] {
|
|
return
|
|
}
|
|
|
|
gdb_run_cmd
|
|
gdb_expect {
|
|
-re "Break.*break4 \\(\\) at .*$srcfile:$decimal.*$gdb_prompt $" {
|
|
pass "running to break4"
|
|
}
|
|
timeout { fail "(timeout) running to break4"; return }
|
|
}
|
|
|
|
if [gdb_test "print flags" "= {uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 3, u3 = 0, s9 = 255, u9 = 0, sc = 0 .*}" "signed bitfields, max positive values"] {
|
|
return
|
|
}
|
|
|
|
if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] {
|
|
return
|
|
}
|
|
|
|
# Determine if the target has signed bitfields so we can xfail the
|
|
# the signed bitfield tests if it doesn't.
|
|
send_gdb "print i\n"
|
|
gdb_expect {
|
|
-re ".* = -256.*$gdb_prompt $" {
|
|
pass "determining signed-ness of bitfields"
|
|
}
|
|
-re ".* = 256.*$gdb_prompt $" {
|
|
pass "determining signed-ness of bitfields"
|
|
setup_xfail "*-*-*"
|
|
}
|
|
-re ".*$gdb_prompt $" {
|
|
fail "determining signed-ness of bitfields"
|
|
return
|
|
}
|
|
default { fail "determining signed-ness of bitfields" ; return }
|
|
}
|
|
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] {
|
|
return
|
|
}
|
|
|
|
if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] {
|
|
return
|
|
}
|
|
|
|
if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -1, u2 = 0, s3 = -1, u3 = 0, s9 = -1, u9 = 0, sc = 0.*" "signed bitfields with -1"] {
|
|
return
|
|
}
|
|
}
|
|
|
|
gdb_start
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
|
gdb_load ${binfile}
|
|
|
|
send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
|
|
bitfield_uniqueness
|
|
if [istarget "mips-idt-*"] then {
|
|
# Restart because IDT/SIM runs out of file descriptors.
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
|
gdb_load ${binfile}
|
|
}
|
|
bitfield_containment
|
|
if [istarget "mips-idt-*"] then {
|
|
# Restart because IDT/SIM runs out of file descriptors.
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
|
gdb_load ${binfile}
|
|
}
|
|
bitfield_unsignedness
|
|
if [istarget "mips-idt-*"] then {
|
|
# Restart because IDT/SIM runs out of file descriptors.
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
|
gdb_load ${binfile}
|
|
}
|
|
bitfield_signedness
|